Commits on Feb 13, 2016

1. Refactor style to be completely backend-independent …

   This commit refactors the style crate to be completely independent of
   the actual implementation and pseudo-elements supported.
   
   This also adds a gecko backend which introduces parsing for the
   anonymous box pseudo-elements[1], although there's still no way of
   querying them.
   
   https://mxr.mozilla.org/mozilla-central/source/layout/style/nsCSSAnonBoxList.h

   

   emilio committed Feb 13, 2016
   dd503df

2. style: Use fnv hashing for pseudo-elements

   

   emilio committed Feb 13, 2016
   eddec5c

3. geckolib: Fix :link and :any-link pseudo-element matching …

   The logic was switched between them.

   

   emilio committed Feb 13, 2016
   dad1738

4. style: Prevent a crash when push_applicable_declarations is called wi… …

   …th a non eagerly-cascaded pseudo-element
   
   This actually didn't happen, but this should be done sooner than later.

   

   emilio committed Feb 13, 2016
   a604d60

5. style: Refactor the per_pseudo map from StyleData to avoid having an … …

   …option value type.
   
   This make the layout code way clearer.

   

   emilio committed Feb 13, 2016
   61e04df

6. layout: Stop parameterizing on N for RecalcStyleAndConstructFlows …

   This is unfortunate, but making that useful would require parameterizing
   `SharedLayoutContext` and `LayoutContext` depending on the
   `SelectorImpl` (which is a **huge** work right now).
   
   Probably the easier way to do it, and probably the one that keeps the
   layout code more legible, and since there won't be multiple
   implementations at the same compilation unit, would be "defining" a
   default implementation for layout via feature flags.
   
   That should allow us to remove the components/style/servo.rs file.

   

   emilio committed Feb 13, 2016

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